任务组bug 修复

app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java

@@ -0,0 +1,92 @@
+package com.arialyy.simple.widget;
+
+import android.content.Context;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.simple.R;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Created by Aria.Lao on 2017/7/17.
+ */
+public class SubStateLinearLayout extends LinearLayout {
+
+  List<DownloadEntity> mSubData = new LinkedList<>();
+
+  public SubStateLinearLayout(Context context) {
+    super(context);
+  }
+
+  public SubStateLinearLayout(Context context, @Nullable AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  public SubStateLinearLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+  }
+
+  public void addData(List<DownloadEntity> datas) {
+    removeAllViews();
+    mSubData.clear();
+    mSubData.addAll(datas);
+    createShowView();
+    int i = 1;
+    for (DownloadEntity entity : datas) {
+      TextView view = createView(entity);
+      addView(view, i);
+      i++;
+    }
+  }
+
+  public void update(DownloadEntity entity) {
+    int position = mSubData.indexOf(entity) + 1;
+    if (position != 0) {
+      ((TextView) getChildAt(position)).setText(entity.getFileName() + ": " + getPercent(entity));
+    }
+  }
+
+  private TextView createView(DownloadEntity entity) {
+    TextView view =
+        (TextView) LayoutInflater.from(getContext()).inflate(R.layout.layout_child_state, null);
+    view.setText(entity.getFileName() + ": " + getPercent(entity));
+    return view;
+  }
+
+  private void createShowView() {
+
+    TextView view =
+        (TextView) LayoutInflater.from(getContext()).inflate(R.layout.layout_child_state, null);
+    view.setText("点击显示子任务");
+    view.setOnClickListener(new OnClickListener() {
+      @Override public void onClick(View v) {
+        if (getVisibility() == GONE) {
+          showChild(true);
+          ((TextView) v).setText("点击隐藏子任务");
+        } else {
+          showChild(false);
+          ((TextView) v).setText("点击显示子任务");
+        }
+      }
+    });
+    addView(view, 0);
+  }
+
+  private void showChild(boolean show) {
+    for (int i = 1, count = getChildCount(); i < count; i++) {
+      getChildAt(i).setVisibility(show ? VISIBLE : GONE);
+    }
+  }
+
+  private int getPercent(DownloadEntity entity) {
+    long size = entity.getFileSize();
+    long progress = entity.getCurrentProgress();
+    int current = size == 0 ? 0 : (int) (progress * 100 / size);
+    return current;
+  }
+}